# flake8: noqa import hydra import pyrootutils import os import torch from accelerate import Accelerator from accelerate.logging import get_logger from accelerate.utils import ProjectConfiguration from tqdm.auto import tqdm from omegaconf import OmegaConf from omegaconf.dictconfig import DictConfig import argparse from flask import Flask, request from typing import List, Union import json from typing import Optional import transformers from dataclasses import dataclass, field, asdict, is_dataclass from torchdata.dataloader2 import DataLoader2, MultiProcessingReadingService, DistributedReadingService, \ SequentialReadingService import logging pyrootutils.setup_root(__file__, indicator='.project-root', pythonpath=True) from src.train.schedular import get_scheduler from src.train.dist_utils import all_gather # logger = get_logger(__name__, log_level='info') log_format = '%(asctime)s - %(name)s - %(levelname)s - %(message)s' logging.basicConfig(level=logging.INFO, format=log_format) logger = logging.getLogger(__name__) os.environ["WANDB_MODE"] = "offline" @dataclass class ConfigPathArguments: image_transform: Optional[str] = field(default=None, metadata={"help": "config path of image transform"}) tokenizer: Optional[str] = field(default=None, metadata={"help": "config path of tokenizer used to initialize tokenizer"}) # model: Optional[str] = field(default=None, metadata={"help": "config path of llm"}) visual_encoder: Optional[str] = field(default=None, metadata={"help": "config path of visual encoder"}) text_encoder: Optional[str] = field(default=None, metadata={"help": "config path of visual encoder"}) discrete_model: Optional[str] = field(default=None, metadata={"help": "config path of discrete model"}) train_dataset: Optional[str] = field(default=None, metadata={"help": "config path of training dataset"}) @dataclass class TrainingArguments: output_dir: str = field( metadata={"help": "The output directory where the model predictions and checkpoints will be written."}, ) resume_from_checkpoint: Optional[str] = field( default=None, metadata={"help": "The path to a folder with a valid checkpoint for your model."}) resume_steps: Optional[int] = field(default=None, metadata={"help": "The training sterps of saved checkpoint"}) learning_rate: float = field(default=5e-5, metadata={"help": "The initial learning rate for AdamW."}) weight_decay: float = field(default=0.0, metadata={"help": "Weight decay for AdamW if we apply some."}) adam_beta1: float = field(default=0.9, metadata={"help": "Beta1 for AdamW optimizer"}) adam_beta2: float = field(default=0.999, metadata={"help": "Beta2 for AdamW optimizer"}) adam_epsilon: float = field(default=1e-8, metadata={"help": "Epsilon for AdamW optimizer."}) max_grad_norm: float = field(default=1.0, metadata={"help": "Max gradient norm."}) gradient_accumulation_steps: int = field( default=1, metadata={"help": "Number of updates steps to accumulate before performing a backward/update pass."}) mixed_precision: Optional[str] = field( default='no', metadata={ "help": "Whether to use mixed precision. \ Choose between fp16 and bf16 (bfloat16). \ Bf16 requires PyTorch >=1.10.and an Nvidia Ampere GPU." }) num_train_epochs: int = field(default=3, metadata={"help": "Total number of training epochs to perform."}) max_steps: int = field(default=-1, metadata={"help": "Total number of training steps to perform. "}) save_steps: int = field(default=10000, metadata={"help": "Number of updates steps before two checkpoint saves."}) lr_scheduler_type: str = field(default="cosine", metadata={"help": "The scheduler type to use."}) warmup_steps: int = field(default=0, metadata={"help": "Linear warmup over warmup_steps."}) min_lr_ratio: float = field(default=0.01, metadata={"help": "Minimal learning rate ratio."}) dataloader_num_workers: int = field(default=8, metadata={"help": "The number of workers to use for data loading."}) project_name: str = field(default="DiscreteLearning", metadata={"help": "The name of experiment"}) expr_name: str = field(default="", metadata={"help": "The name of experiment"}) def build_dataloader(dataset_cfg, image_transform, tokenizer, dataloader_num_workers=4): dataset = hydra.utils.instantiate(dataset_cfg, image_transform=image_transform, tokenizer=tokenizer) mp_service = MultiProcessingReadingService(num_workers=dataloader_num_workers) dist_service = DistributedReadingService() reading_service = SequentialReadingService(dist_service, mp_service) dataloader = DataLoader2(dataset, reading_service=reading_service) return dataloader def get_metric(output): metric = {} for key, value in output.items(): if 'loss' in key: metric[key] = value.item() return metric def get_code_usage(indices): indices_list = all_gather(indices) indices = torch.cat(indices_list, dim=0) code_usage = indices.unique().numel() return code_usage def merge_config(**kwargs): config = {} for key, value in kwargs.items(): if isinstance(value, argparse.Namespace): config[key] = vars(value) elif isinstance(value, DictConfig): config[key] = OmegaConf.to_object(value) elif is_dataclass(value): config[key] = asdict(value) elif isinstance(value, dict): config[key] = value else: logger.error(f'key: {key}, value: {value} will not be merged.') return config def trainable_params(model): count = 0 for name, param in model.named_parameters(): count += param.numel() return count def train(): parser = transformers.HfArgumentParser((ConfigPathArguments, TrainingArguments)) cfg_path, args = parser.parse_args_into_dataclasses() project_config = ProjectConfiguration(project_dir=args.output_dir, logging_dir=os.path.join(args.output_dir, 'logs')) accelerator = Accelerator( mixed_precision=args.mixed_precision, log_with=['tensorboard', 'wandb'], project_config=project_config, gradient_accumulation_steps=args.gradient_accumulation_steps, step_scheduler_with_optimizer=False, ) logger.info('Init accelerator done.') os.makedirs(args.output_dir, exist_ok=True) visual_encoder_cfg = OmegaConf.load(cfg_path.visual_encoder) visual_encoder = hydra.utils.instantiate(visual_encoder_cfg) logger.info('Load visual encoder done.') discrete_model_cfg = OmegaConf.load(cfg_path.discrete_model) discrete_model = hydra.utils.instantiate(discrete_model_cfg) logger.info('Load discrete model done.') train_dataset_cfg = OmegaConf.load(cfg_path.train_dataset) if cfg_path.text_encoder is not None: text_encoder_cfg = OmegaConf.load(cfg_path.text_encoder) text_encoder = hydra.utils.instantiate(text_encoder_cfg) else: text_encoder_cfg = None text_encoder = None if cfg_path.image_transform is not None: image_transform_cfg = OmegaConf.load(cfg_path.image_transform) image_transform = hydra.utils.instantiate(image_transform_cfg) else: image_transform_cfg = None image_transform = None if cfg_path.tokenizer is not None: tokenizer_cfg = OmegaConf.load(cfg_path.tokenizer) tokenizer = hydra.utils.instantiate(tokenizer_cfg) else: tokenizer_cfg = None tokenizer = None weight_dtype = torch.float32 if accelerator.mixed_precision == "fp16": weight_dtype = torch.float16 elif accelerator.mixed_precision == "bf16": weight_dtype = torch.bfloat16 visual_encoder.to(accelerator.device, dtype=weight_dtype) logger.info('Freeze visual encoder...') visual_encoder.requires_grad_(False) if text_encoder is not None: logger.info('Freeze text encoder...') text_encoder.requires_grad_(False) text_encoder.to(accelerator.device, dtype=weight_dtype) discrete_model.to(accelerator.device, dtype=weight_dtype) discrete_model = accelerator.prepare(discrete_model) optimizer = torch.optim.AdamW(discrete_model.parameters(), lr=args.learning_rate, betas=[args.adam_beta1, args.adam_beta2], eps=args.adam_epsilon, weight_decay=args.weight_decay) logger.info('Init optimizer done.') scheduler = get_scheduler(name=args.lr_scheduler_type, optimizer=optimizer, num_warmup_steps=args.warmup_steps, num_training_steps=args.max_steps, min_lr_ratio=args.min_lr_ratio) # accelerator.register_for_checkpointing(scheduler) optimizer, scheduler = accelerator.prepare(optimizer, scheduler) logger.info('Prepare accelerator done.') config_record = merge_config(discrete_model=discrete_model_cfg, visual_encoder=visual_encoder_cfg, text_encoder=text_encoder_cfg, image_transform=image_transform_cfg, tokenizer=tokenizer_cfg, train_dataset=train_dataset_cfg, train_args=args) accelerator.init_trackers(project_name=args.project_name, init_kwargs={"wandb": { "config": config_record, "name": args.expr_name, "dir": args.output_dir }}) if args.resume_from_checkpoint is not None: logger.info(f'Load checkpoint from {args.resume_from_checkpoint}') accelerator.load_state(args.resume_from_checkpoint) num_params = trainable_params(discrete_model) logger.info("***** Running training *****") logger.info(f" Total optimization steps = {args.max_steps}") logger.info(f" Total trainable params = {num_params}") # Only show the progress bar once on each machine. progress_bar = tqdm(range(args.max_steps), disable=not accelerator.is_main_process) progress_bar.set_description("Steps") global_step = 0 if args.resume_steps is not None: global_step = args.resume_steps progress_bar.update(args.resume_steps) train_dataloader = build_dataloader(dataset_cfg=train_dataset_cfg, image_transform=image_transform, tokenizer=tokenizer, dataloader_num_workers=args.dataloader_num_workers) for epoch in range(args.num_train_epochs): discrete_model.train() logger.info('Start new epoch') for step, batch in enumerate(train_dataloader): with accelerator.accumulate(discrete_model): with torch.no_grad(): image_embeds = visual_encoder(batch['images'].to(accelerator.device, dtype=weight_dtype)) if text_encoder is not None: text_embeds = text_encoder(batch['text_input_ids'].to(accelerator.device)) else: text_embeds = None output = discrete_model(image_embeds=image_embeds, text_embeds=text_embeds) loss = output['total_loss'] accelerator.backward(loss) if accelerator.sync_gradients: accelerator.clip_grad_norm_(discrete_model.parameters(), max_norm=args.max_grad_norm) optimizer.step() scheduler.step() optimizer.zero_grad() if accelerator.sync_gradients: progress_bar.update(1) global_step += 1 if global_step % args.save_steps == 0: save_path = os.path.join(args.output_dir, f"checkpoint-{global_step}") accelerator.save_state(save_path) metric = get_metric(output) metric['lr'] = optimizer.param_groups[0]['lr'] metric['code_usage'] = get_code_usage(output['indices']) metric = {key: (format(value, ".6f") if isinstance(value, float) else value) for key, value in metric.items()} accelerator.log(metric, step=global_step) if accelerator.is_main_process: tqdm.write(str(metric)) # print(metric) if global_step >= args.max_steps: break accelerator.end_training() if __name__ == '__main__': train()